build(deps): Bump bigtable_rs to warm every channel (#733)

Bumps bigtable_rs to getsentry/bigtable_rs#14. With this version, the
background PingAndWarm goes to every channel in the pool on each 10s
tick. Before, it went through the load balancer, so it could skip
channels.

This matters now because single tenants move from 1 to 4 channels in
getsentry/ops#24624. Each channel must stay warm so a retry can use it.

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Co-authored-by: sentry-junior[bot] <264270552+sentry-junior[bot]@users.noreply.github.com>
Co-authored-by: Lorenzo Cian <17258265+lcian@users.noreply.github.com>

Author: sentry-junior[bot]

Cargo.lock

@@ -43,7 +43,7 @@ async-trait = "0.1.92"
 axum = "0.8.9"
 axum-extra = { version = "0.12.6", default-features = false }
 base64 = "0.22.1"
-bigtable_rs = { git = "https://github.com/getsentry/bigtable_rs.git", rev = "56c310a5c8518d52ae7c7db53825beb078e326b5", default-features = false, features = ["gcp-auth-ring", "tonic-tls-ring"] }
+bigtable_rs = { git = "https://github.com/getsentry/bigtable_rs.git", rev = "072cb5871766b39c08c9a4d1f43c8d3895eeb96e", default-features = false, features = ["gcp-auth-ring", "tonic-tls-ring"] }
 blake3 = "1.8.5"
 bytes = "1.12.0"
 bytesize = "2.4.0"