Bump sphinx-issues from 3.0.1 to 4.0.0 in /requirements (#340)

Bumps [sphinx-issues](https://github.com/sloria/sphinx-issues) from 3.0.1 to 4.0.0.
- [Commits](sloria/sphinx-issues@3.0.1...4.0.0)

---
updated-dependencies:
- dependency-name: sphinx-issues
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/dev.txt

@@ -141,7 +141,7 @@ sphinx==5.1.1
     #   sphinx-issues
     #   sphinx-tabs
     #   sphinxcontrib-log-cabinet
-sphinx-issues==3.0.1
+sphinx-issues==4.0.0
     # via -r docs.in
 sphinx-tabs==3.4.1
     # via -r docs.in

requirements/docs.txt

@@ -20,6 +20,8 @@ idna==3.3
     # via requests
 imagesize==1.2.0
     # via sphinx
+importlib-metadata==7.0.1
+    # via sphinx
 jinja2==3.0.2
     # via sphinx
 markupsafe==2.0.1
@@ -49,7 +51,7 @@ sphinx==5.1.1
     #   sphinx-issues
     #   sphinx-tabs
     #   sphinxcontrib-log-cabinet
-sphinx-issues==3.0.1
+sphinx-issues==4.0.0
     # via -r docs.in
 sphinx-tabs==3.4.1
     # via -r docs.in
@@ -69,3 +71,5 @@ sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 urllib3==1.26.7
     # via requests
+zipp==3.17.0
+    # via importlib-metadata