chore: update trivy severities (#269)

**Proposed Changes**

- Update Trivy severities to look out for UNKNOWN as well

I submit this contribution under the Apache-2.0 license.

.github/workflows/security.yml

@@ -56,7 +56,7 @@ jobs:
           vuln-type: os,library
           format: table
           ignore-unfixed: true
-          severity: CRITICAL,HIGH,MEDIUM,LOW
+          severity: CRITICAL,HIGH,MEDIUM,LOW,UNKNOWN
           trivy-config: trivy.yaml
           exit-code: '1'
         env:

Dockerfile

@@ -3,7 +3,7 @@
 # and "Missing User Instruction" since 2ms container is stopped after scan
 
 # Builder image
-FROM cgr.dev/chainguard/go@sha256:88919362146ee54cea7aea132c256d2f0581aeeb0b1c2661337ecf99e9dc945b AS builder
+FROM cgr.dev/chainguard/go@sha256:bec4bfc80786869dc30beca3d0bd437bd932f376dc6ac5b1f4dd6a5355ba11fc AS builder
 
 WORKDIR /app
 
@@ -20,7 +20,7 @@ COPY . .
 RUN GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -a -o /app/2ms .
 
 # Runtime image
-FROM cgr.dev/chainguard/git@sha256:0389019d7ee820683793e0ad9d1863120d586962803d84e8d57aa003922060d2
+FROM cgr.dev/chainguard/git@sha256:d32fb4fbb132929abae2d2f742e3d3bfdbd4937caa7021299130ad096227ced0
 
 WORKDIR /app
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/checkmarx/2ms
 
-go 1.23.1
+go 1.23.5
 
 require (
 	github.com/bwmarrin/discordgo v0.27.1