Add python 3.7.6, remove python 3.7.4

for stack(s) org.cloudfoundry.stacks.cflinuxfs3 [#170376292]

Author: cf-buildpacks-eng

buildpack.toml

@@ -91,16 +91,6 @@ api = "0.2"
     uri = "https://buildpacks.cloudfoundry.org/dependencies/python/python-3.6.10-linux-x64-cflinuxfs3-3bb086eb.tgz"
     version = "3.6.10"
 
-  [[metadata.dependencies]]
-    id = "python"
-    name = "Python"
-    sha256 = "844697ea88d99a357ed8b4a31f95ba999d73bec5c6b2150cd8c5e8cc120f6992"
-    source = "https://www.python.org/ftp/python/3.7.4/python-3.7.4.tgz"
-    source_sha256 = "d63e63e14e6d29e17490abbe6f7d17afb3db182dbd801229f14e55f4157c4ba3"
-    stacks = ["org.cloudfoundry.stacks.cflinuxfs3"]
-    uri = "https://buildpacks.cloudfoundry.org/dependencies/python/python-3.7.4-linux-x64-cflinuxfs3-844697ea.tgz"
-    version = "3.7.4"
-
   [[metadata.dependencies]]
     id = "python"
     name = "Python"
@@ -111,6 +101,16 @@ api = "0.2"
     uri = "https://buildpacks.cloudfoundry.org/dependencies/python/python-3.7.5-linux-x64-cflinuxfs3-4d634795.tgz"
     version = "3.7.5"
 
+  [[metadata.dependencies]]
+    id = "python"
+    name = "Python"
+    sha256 = "bb141b1efab045e5374ac583f116f8e37034b6c0b95fd7e9d6e0292a33baafc3"
+    source = "https://www.python.org/ftp/python/3.7.6/Python-3.7.6.tgz"
+    source_sha256 = "aeee681c235ad336af116f08ab6563361a0c81c537072c1b309d6e4050aa2114"
+    stacks = ["org.cloudfoundry.stacks.cflinuxfs3"]
+    uri = "https://buildpacks.cloudfoundry.org/dependencies/python/python-3.7.6-linux-x64-cflinuxfs3-bb141b1e.tgz"
+    version = "3.7.6"
+
   [[metadata.dependencies]]
     id = "python"
     name = "Python"
@@ -163,5 +163,11 @@ api = "0.2"
     name = "python"
     version_line = "3.6.x"
 
+  [[metadata.dependency_deprecation_dates]]
+    date = 2023-06-27T00:00:00Z
+    link = "https://www.python.org/dev/peps/pep-0537/"
+    name = "python"
+    version_line = "3.7.x"
+
 [[stacks]]
   id = "org.cloudfoundry.stacks.cflinuxfs3"