Bump opensafely from 1.48.0 to 1.50.1

Bumps [opensafely](https://github.com/opensafely-core/opensafely-cli) from 1.48.0 to 1.50.1.
- [Release notes](https://github.com/opensafely-core/opensafely-cli/releases)
- [Commits](opensafely-core/opensafely-cli@v1.48.0...v1.50.1)

---
updated-dependencies:
- dependency-name: opensafely
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.dev.txt

@@ -165,9 +165,9 @@ nodeenv==1.8.0 \
     --hash=sha256:d51e0c37e64fbf47d017feac3145cdbb58836d7eee8c6f6d3b6880c5456227d2 \
     --hash=sha256:df865724bb3c3adc86b3876fa209771517b0cfe596beff01a92700e0e8be4cec
     # via pre-commit
-opensafely==1.48.0 \
-    --hash=sha256:b703f35ae1fcf760030aaf6e0f0d11b73a1198add8ab4c694e17ea4be19060ad \
-    --hash=sha256:c0115645d5464c904d3788cab5abaeabd4e495f30b48418e909ee145291c10f8
+opensafely==1.50.1 \
+    --hash=sha256:8a30b5abdc104e816b88a7ceba1f9047d9d597fb46abda60b401cdd473890946 \
+    --hash=sha256:bad656491e4865e40e7d20952aba1ecdb387e94375152e2b8ddce02c7ba36475
     # via -r requirements.dev.in
 packaging==23.2 \
     --hash=sha256:048fb0e9405036518eaaf48a55953c750c11e1a1b68e0dd1a9d62ed0c092cfc5 \