Trace Postgres and Redis queries with the contrib instrumentations

Builds the TracerProvider in tavolo.telemetry (kaya-otel's is private) and
injects it into kaya-otel, then instruments asyncpg and redis through
opentelemetry-instrumentation-asyncpg/redis. Redis command values are
redacted and asyncpg spans carry the parameterized SQL only.

server/requirements.txt

@@ -94,6 +94,8 @@ opentelemetry-api==1.45.0
     #   opentelemetry-exporter-http-transport
     #   opentelemetry-exporter-otlp-proto-http
     #   opentelemetry-instrumentation
+    #   opentelemetry-instrumentation-asyncpg
+    #   opentelemetry-instrumentation-redis
     #   opentelemetry-instrumentation-system-metrics
     #   opentelemetry-sdk
     #   opentelemetry-semantic-conventions
@@ -106,7 +108,14 @@ opentelemetry-exporter-otlp-proto-common==1.45.0
 opentelemetry-exporter-otlp-proto-http==1.45.0
     # via kaya-otel
 opentelemetry-instrumentation==0.66b0
-    # via opentelemetry-instrumentation-system-metrics
+    # via
+    #   opentelemetry-instrumentation-asyncpg
+    #   opentelemetry-instrumentation-redis
+    #   opentelemetry-instrumentation-system-metrics
+opentelemetry-instrumentation-asyncpg==0.66b0
+    # via tavolo-app (pyproject.toml)
+opentelemetry-instrumentation-redis==0.66b0
+    # via tavolo-app (pyproject.toml)
 opentelemetry-instrumentation-system-metrics==0.66b0
     # via tavolo-app (pyproject.toml)
 opentelemetry-proto==1.45.0
@@ -121,6 +130,8 @@ opentelemetry-sdk==1.45.0
 opentelemetry-semantic-conventions==0.66b0
     # via
     #   opentelemetry-instrumentation
+    #   opentelemetry-instrumentation-asyncpg
+    #   opentelemetry-instrumentation-redis
     #   opentelemetry-instrumentation-system-metrics
     #   opentelemetry-sdk
 packaging==26.3
@@ -165,4 +176,6 @@ typing-extensions==4.16.0
 urllib3==2.8.0
     # via opentelemetry-exporter-http-transport
 wrapt==2.5.0
-    # via opentelemetry-instrumentation
+    # via
+    #   opentelemetry-instrumentation
+    #   opentelemetry-instrumentation-redis