swh-loader-git-20230530.2: Build image with frozen set requirements

apps/swh-loader-git/requirements-frozen.txt

@@ -25,6 +25,7 @@ defusedxml==0.7.1
 Deprecated==1.2.14
 distro==1.8.0
 dulwich==0.21.5
+exceptiongroup==1.1.1
 Flask==2.3.2
 frozenlist==1.3.3
 geomet==0.2.1.post1
@@ -94,6 +95,7 @@ tenacity==8.2.2
 testing.common.database==2.0.3
 testing.postgresql==1.3.0
 toml==0.10.2
+tomli==2.0.1
 typing_extensions==4.6.2
 urllib3==1.26.16
 vine==5.0.0