Partially revert "Bump authlib from 1.6.9 to 1.6.11 (#19703)" (#19742)

The original commit should only have changed the lockfile.

This reverts commit bdb1cf7416 (from
https://github.com/element-hq/synapse/pull/19703).

---------

Co-authored-by: Olivier 'reivilibre <oliverw@matrix.org>

changelog.d/19742.bugfix

@@ -0,0 +1 @@
+Fix packaging for Fedora and EPEL caused by unnecessary bumping `authlib` minimum version requirement in `pyproject.toml` file. Contributed by Oleg Girko.

poetry.lock

@@ -3756,4 +3756,4 @@ url-preview = ["lxml"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10.0,<4.0.0"
-content-hash = "8c52685a47cc4affa09d79a044e0aed4c15131a5581e2c4f641ffb5e538eec13"
+content-hash = "d97bee07fec0f4048d964aa7127a50813920bce77b00e5191aa1815f83922c85"

pyproject.toml

@@ -137,7 +137,7 @@ saml2 = [
     "defusedxml>=0.7.1", # via pysaml2
     "pytz>=2018.3",  # via pysaml2
 ]
-oidc = ["authlib>=1.6.11"]
+oidc = ["authlib>=0.15.1"]
 url-preview = ["lxml>=4.6.3"]
 sentry = ["sentry-sdk>=0.7.2"]
 opentracing = [
@@ -179,7 +179,7 @@ all = [
     # saml2
     "pysaml2>=4.5.0",
     # oidc and jwt
-    "authlib>=1.6.11",
+    "authlib>=0.15.1",
     # url-preview
     "lxml>=4.6.3",
     # sentry