Merge bitcoindevkit/rust-esplora-client#100: fix(blocking): get_with_retry is private method

bfaa9ae546e4087c1a81c653333ee9b1c949e0ce fix(blocking): `get_with_retry` is private method (valued mammal)

Pull request description:

  Clean up after #98 which accidentally exposed `get_with_retry` publicly for the blocking client.

ACKs for top commit:
  oleonardolima:
    ACK bfaa9ae546e4087c1a81c653333ee9b1c949e0ce

Tree-SHA512: 33abd34e919e27069107947c34915b9de3547ab1d78291841f2052552abd23fd59621ee6ae3ed9bd8e3eda608c2e5b9285529df1dcba8a4a1705ca1f1491c136

Author: chrono-raven6i90

src/blocking.rs

@@ -349,7 +349,7 @@ impl BlockingClient {
 
     /// Sends a GET request to the given `url`, retrying failed attempts
     /// for retryable error codes until max retries hit.
-    pub fn get_with_retry(&self, url: &str) -> Result<Response, Error> {
+    fn get_with_retry(&self, url: &str) -> Result<Response, Error> {
         let mut delay = BASE_BACKOFF_MILLIS;
         let mut attempts = 0;