build(deps): bump setuptools from 69.0.3 to 70.1.1 in /tools/base

Bumps [setuptools](https://github.com/pypa/setuptools) from 69.0.3 to 70.1.1.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](pypa/setuptools@v69.0.3...v70.1.1)

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

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

tools/base/requirements.txt

@@ -691,9 +691,7 @@ google-apitools==0.5.32 \
 google-auth[aiohttp]==2.26.1 \
     --hash=sha256:2c8b55e3e564f298122a02ab7b97458ccfcc5617840beb5d0ac757ada92c9780 \
     --hash=sha256:54385acca5c0fbdda510cd8585ba6f3fcb06eeecf8a6ecca39d3ee148b092590
-    # via
-    #   google-auth
-    #   gsutil
+    # via gsutil
 google-reauth==0.1.1 \
     --hash=sha256:cb39074488d74c8853074dde47368bbf8f739d4a4338b89aab696c895b6d8368 \
     --hash=sha256:f9f6852a55c2c5453d581cd01f3d1278e86147c03d008409800390a834235892
@@ -1038,7 +1036,6 @@ pyjwt[crypto]==2.8.0 \
     # via
     #   gidgethub
     #   pygithub
-    #   pyjwt
 pylsqpack==0.3.18 \
     --hash=sha256:005ddce84bdcbf5c3cf99f764504208e1aa0a91a8331bf47108f2708f2a315e6 \
     --hash=sha256:06e1bbe47514b83cd03158e5558ef8cc44f578169c1820098be9f3cc4137f16a \
@@ -1583,7 +1580,7 @@ zstandard==0.22.0 \
     # via envoy-base-utils
 
 # The following packages are considered to be unsafe in a requirements file:
-setuptools==69.0.3 \
-    --hash=sha256:385eb4edd9c9d5c17540511303e39a147ce2fc04bc55289c322b9e5904fe2c05 \
-    --hash=sha256:be1af57fc409f93647f2e8e4573a142ed38724b8cdd389706a867bb4efcf1e78
+setuptools==70.1.1 \
+    --hash=sha256:937a48c7cdb7a21eb53cd7f9b59e525503aa8abaf3584c730dc5f7a5bec3a650 \
+    --hash=sha256:a58a8fde0541dab0419750bcc521fbdf8585f6e5cb41909df3a472ef7b81ca95
     # via -r requirements.in