update Catch2 to latest release

[tomeichlersmith]

Is your request related to a problem? Please describe.

update to v3.8.0

Describe the solution you'd like. What packages do you want installed?

diff --git a/Dockerfile b/Dockerfile
index c79d1c6..c8700ec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -360,7 +360,7 @@ RUN mkdir -p ${GENIE_REWEIGHT} &&\
 ###############################################################################
 # Catch2
 ###############################################################################
-ENV CATCH2_VERSION="3.3.1"
+ENV CATCH2_VERSION="3.8.0"
 LABEL catch2.version=${CATCH2_VERSION}
 RUN mkdir -p src &&\
     ${__wget} https://github.com/catchorg/Catch2/archive/refs/tags/v${CATCH2_VERSION}.tar.gz |\

Additional context
Some warnings from the updated compiler while building the tests in ldmx-sw LDMX-Software/ldmx-sw#1640