[homeassistant] Update python packages (#19768)

This was missed when bringing the rest of the Python code up to date
with current Home Assistant.

Also commit the lockfile, which is a new feature thanks to GraalPy 25.

Signed-off-by: Cody Cutrer <cody@cutrer.us>

bundles/org.openhab.binding.homeassistant/graalpy.lock

@@ -0,0 +1,15 @@
+# This file was generated by maven goal 'org.graalvm.python:graalpy-maven-plugin:lock-packages'.
+# 
+# WARNING: Any manual changes are done at your own risk and will be overwritten when the goal is executed.
+# 
+# This file is meant to be tracked in a version control system.
+# 
+# This file contains a list of all required Python packages with their specific versions,
+# based on the packages defined in the plugin configuration and their dependencies.
+# graalpy-version: 25.0.1
+# input-packages: awesomeversion==25.8.0,Jinja2==3.1.6,python-slugify==8.0.4
+awesomeversion==25.8.0
+Jinja2==3.1.6
+MarkupSafe==3.0.3
+python-slugify==8.0.4
+text-unidecode==1.3

bundles/org.openhab.binding.homeassistant/pom.xml

@@ -125,6 +125,14 @@
         <groupId>org.graalvm.python</groupId>
         <artifactId>graalpy-maven-plugin</artifactId>
         <version>${graalvm.version}</version>
+        <configuration>
+          <packages>
+            <package>awesomeversion==25.8.0</package>
+            <package>Jinja2==3.1.6</package>
+            <package>python-slugify==8.0.4</package>
+          </packages>
+        </configuration>
+
         <executions>
           <execution>
             <id>install-python-packages</id>
@@ -132,13 +140,6 @@
               <goal>process-graalpy-resources</goal>
             </goals>
             <phase>generate-resources</phase>
-            <configuration>
-              <packages>
-                <package>awesomeversion==24.6.0</package>
-                <package>Jinja2==3.1.6</package>
-                <package>python-slugify==8.0.4</package>
-              </packages>
-            </configuration>
           </execution>
           <!-- yes, this is the same as above, but it needs run again to regenerate the filelist with our .pyc files -->
           <execution>
@@ -147,13 +148,6 @@
               <goal>process-graalpy-resources</goal>
             </goals>
             <phase>process-resources</phase>
-            <configuration>
-              <packages>
-                <package>awesomeversion==24.6.0</package>
-                <package>Jinja2==3.1.6</package>
-                <package>python-slugify==8.0.4</package>
-              </packages>
-            </configuration>
           </execution>
         </executions>
       </plugin>

bundles/org.openhab.binding.homeassistant/src/main/python/homeassistant/helpers/template/__init__.py

@@ -36,6 +36,7 @@ from jinja2.utils import Namespace
 
 import voluptuous as vol
 
+from homeassistant.exceptions import TemplateError
 from homeassistant.util import (
     dt as dt_util,
     slugify as slugify_util,