Resolve the issues discovered by the automated linkcheck

[jprestop]

Describe the Task

METplus issue Documentation: Automate link checking with Sphinx #3247 revealed URLs in the documentation that need to be resolved in order for the newly added linkcheck workflow to pass.

Resolve the following:

Contributors_Guide/index.rst:32: [redirected permanently] http://www.apache.org/licenses/LICENSE-2.0 to https://www.apache.org/licenses/LICENSE-2.0
Contributors_Guide/running_unit_tests_locally.rst:60: [redirected with Found] https://docs.pytest.org/ to https://docs.pytest.org/en/stable/
Contributors_Guide/index.rst:7: [redirected permanently] http://dtcenter.org/community-code/metplus to https://dtcenter.org/software-tools/metplus
Users_Guide/overview.rst:20: [redirected permanently] http://www.dtcenter.org/ to https://dtcenter.org/
Users_Guide/load_data.rst:36: [broken] https://dev.mysql.com/doc/refman/en/mysql.html: 403 Client Error: Forbidden for url: https://dev.mysql.com/doc/refman/en/mysql.html
Users_Guide/reformat_stat_data.rst:651: [redirected with Found] https://met.readthedocs.io/en/develop/Users_Guide/ensemble-stat.html#id2 to https://metplus.readthedocs.io/projects/met/en/develop/Users_Guide/ensemble-stat.html#id2
Users_Guide/release-notes.rst:30: [redirected with Found] https://github.com/dtcenter/METdataio/pull/409 to https://github.com/dtcenter/METdataio/issues/409
Users_Guide/reformat_stat_data.rst:466: [redirected with Found] https://met.readthedocs.io/en/latest/Users_Guide/ to https://metplus.readthedocs.io/projects/met/en/latest/Users_Guide/
Contributors_Guide/update_database_schema.rst:49: [redirected with Found] https://met.readthedocs.io/en/latest/Users_Guide/release-notes.html to https://metplus.readthedocs.io/projects/met/en/latest/Users_Guide/release-notes.html
Contributors_Guide/running_unit_tests_locally.rst:17: [broken] mariadb.org: 
Users_Guide/reformat_stat_data.rst:359: [redirected with Found] https://met.readthedocs.io/en/main_v12.0/Users_Guide/ensemble-stat.html#id1 to https://metplus.readthedocs.io/projects/met/en/main_v12.0/Users_Guide/ensemble-stat.html#id1
Users_Guide/reformat_stat_data.rst:358: [redirected with Found] https://met.readthedocs.io/en/main_v12.0/Users_Guide/grid-stat.html#id1 to https://metplus.readthedocs.io/projects/met/en/main_v12.0/Users_Guide/grid-stat.html#id1
Users_Guide/reformat_stat_data.rst:19: [redirected with Found] https://met.readthedocs.io/en/main_v12.0/Users_Guide/point-stat.html#id5 to https://metplus.readthedocs.io/projects/met/en/main_v12.0/Users_Guide/point-stat.html#id5
Users_Guide/reformat_stat_data.rst:357: [redirected with Found] https://met.readthedocs.io/en/main_v12.0/Users_Guide/point-stat.html#id1 to https://metplus.readthedocs.io/projects/met/en/main_v12.0/Users_Guide/point-stat.html#id1

Time Estimate

1 to 3 days of work

Sub-Issues

Consider breaking the task down into sub-issues.

• Add a checkbox for each sub-issue here.

Relevant Deadlines

As able

Funding Source

Split

Define the Metadata

Assignee

• Select engineer(s) or no engineer required
• Select scientist(s) or no scientist required

Labels

• Review default alert labels
• Select component(s)
• Select priority
• Select requestor(s)

Milestone and Projects

• Select Milestone as a METdataio-X.Y.Z version, Consider for Next Release, or Backlog of Development Ideas
• For a METdataio-X.Y.Z version, select the METdataio-X.Y.Z Development project

Define Related Issue(s)

Consider the impact to the other METplus components.

• METplus, MET, METdataio, METviewer, METexpress, METcalcpy, METplotpy

Task Checklist

See the METplus Workflow for details.

• Complete the issue definition above, including the Time Estimate and Funding Source.
• Fork this repository or create a branch of develop.
  Branch name: feature_<Issue Number>_<Description>
• Complete the development and test your changes.
• Add/update log messages for easier debugging.
• Add/update unit tests.
• Add/update documentation.
• Add any new Python packages to the METplus Components Python Requirements table.
• Push local changes to GitHub.
• Submit a pull request to merge into develop.
  Pull request: feature <Issue Number> <Description>
• Define the pull request metadata, as permissions allow.
  Select: Reviewer(s) and Development issue
  Select: Milestone as the next official version
  Select: METdataio-X.Y.Z Development project for development toward the next official release
• Iterate until the reviewer(s) accept and merge your changes.
• Delete your fork or branch.
• Close this issue.