Update locked frozendict version to 2.3.3 (#13352)

frozendict 2.3.3 includes fixes for memory leaks that get triggered during `/sync`.

3 files changed, 28 insertions, 18 deletions

diff --git a/changelog.d/13352.bugfix b/changelog.d/13352.bugfix
new file mode 100644
index 0000000000..8128714299
--- /dev/null
+++ b/changelog.d/13352.bugfix
@@ -0,0 +1 @@
+Update locked version of `frozendict` to 2.3.3, which has fixes for memory leaks affecting `/sync`.
diff --git a/docs/upgrade.md b/docs/upgrade.md
index 2c7c258909..fadb8e7ffb 100644
--- a/docs/upgrade.md
+++ b/docs/upgrade.md
@@ -114,6 +114,15 @@ vice versa.
 Once all workers are upgraded to v1.64 (or downgraded to v1.63), event
 replication will resume as normal.
 
+## frozendict release
+
+[frozendict 2.3.3](https://github.com/Marco-Sulla/python-frozendict/releases/tag/v2.3.3)
+has recently been released, which fixes a memory leak that occurs during `/sync`
+requests. We advise server administrators who installed Synapse via pip to upgrade
+frozendict with `pip install --upgrade frozendict`. The Docker image
+`matrixdotorg/synapse` and the Debian packages from `packages.matrix.org` already
+include the updated library.
+
 # Upgrading to v1.62.0
 
 ## New signatures for spam checker callbacks
diff --git a/poetry.lock b/poetry.lock
index 41ab40edd1..b62c24ae16 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -290,7 +290,7 @@ importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 
 [[package]]
 name = "frozendict"
-version = "2.3.2"
+version = "2.3.3"
 description = "A simple immutable dictionary"
 category = "main"
 optional = false
@@ -1753,23 +1753,23 @@ flake8-comprehensions = [
     {file = "flake8_comprehensions-3.8.0-py3-none-any.whl", hash = "sha256:9406314803abe1193c064544ab14fdc43c58424c0882f6ff8a581eb73fc9bb58"},
 ]
 frozendict = [
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-    {file = "frozendict-2.3.2-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:c0a3640e9d7533d164160b758351aa49d9e85bbe0bd76d219d4021e90ffa6a52"},
-    {file = "frozendict-2.3.2-cp310-cp310-win_amd64.whl", hash = "sha256:87cfd00fafbc147d8cd2590d1109b7db8ac8d7d5bdaa708ba46caee132b55d4d"},
-    {file = "frozendict-2.3.2-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:fb09761e093cfabb2f179dbfdb2521e1ec5701df714d1eb5c51fa7849027be19"},
-    {file = "frozendict-2.3.2-cp36-cp36m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:82176dc7adf01cf8f0193e909401939415a230a1853f4a672ec1629a06ceae18"},
-    {file = "frozendict-2.3.2-cp36-cp36m-win_amd64.whl", hash = "sha256:c1c70826aa4a50fa283fe161834ac4a3ac7c753902c980bb8b595b0998a38ddb"},
-    {file = "frozendict-2.3.2-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:1db5035ddbed995badd1a62c4102b5e207b5aeb24472df2c60aba79639d7996b"},
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-    {file = "frozendict-2.3.2-py3-none-any.whl", hash = "sha256:6882a9bbe08ab9b5ff96ce11bdff3fe40b114b9813bc6801261e2a7b45e20012"},
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 ]
 gitdb = [
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