chore: update Igneous Dockerfile to py312

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.9-slim
+FROM python:3.12-slim
 LABEL maintainer="William Silversmith, Nico Kemnitz"
 
 ADD ./ /igneous
@@ -11,9 +11,6 @@ RUN apt-get update \
         nano \
     # igneous + runtime dependencies
     && cd igneous \
-    # numpy 1.23.0 through 1.23.2 causing issues
-    # with locating random module
-    && pip install --no-cache-dir 'numpy<1.23.0' \
     && pip install --no-cache-dir -r requirements.txt mysql-connector-python \
     && pip install --no-cache-dir -e . \
     \
@@ -25,7 +22,7 @@ RUN apt-get update \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* \
     # Cleanup temporary python files
-    && find /usr/local/lib/python3.9 -depth \
+    && find /usr/local/lib/python3.12 -depth \
       \( \
         \( -type d -a \( -name __pycache__ \) \) \
         -o \